97726455 has 24 divisors (see below), whose sum is σ = 179358192. Its totient is φ = 49054464.

The previous prime is 97726439. The next prime is 97726469. The reversal of 97726455 is 55462779.

It is not a de Polignac number, because 97726455 - 2⁴ = 97726439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97726455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63109 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (7473258).

Almost surely, 2^97726455 is an apocalyptic number.

97726455 is a deficient number, since it is larger than the sum of its proper divisors (81631737).

97726455 is a wasteful number, since it uses less digits than its factorization.

97726455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127775 (or 127772 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 97726455 is about 9885.6691731010. The cubic root of 97726455 is about 460.6142628673.

The spelling of 97726455 in words is "ninety-seven million, seven hundred twenty-six thousand, four hundred fifty-five".